发明名称 PROCEDIMIENTO PARA LA OBTENCION DE UNA TABLETA DIVISIBLE CONCESION CONTROLADA Y RETARDADA DE LA SUSTANCIA ACTIVA
摘要 <p>Divisible tablet having controlled and delayed release of the active substance and consisting of a compact that is optionally provided with a coating and is formed by at least one active substance in an adjunct composition that effects a delayed and controlled release of the active substance and optionally one or more additional adjunct compositions that optionally contain active substances and are arranged in longitudinal layers, the compact being of an oblong shape in which the ratio of length to width to depth is approximately 2.5 to 5: approximately 0.9 to 2:1 and the width constitutes at most 2/3 of the length, and in which one or more relatively deep dividing grooves are present which run perpendicularly to the length and the depth and have a total depth constituting from approximately 1/3 to approximately 1/2 of the depth of the tablet, but are at least so deep that one fracture surface area multiplied by the number of possible fragments constitutes a maximum of 15% of the surface area of the undivided tablet, the base and top faces independently of one another are planar or are convexly curved about the longitudinal axis or about parallels to this axis, the side faces are planar, the end faces can be of any shape and edges are optionally bevelled or rounded.</p>
申请公布号 ES494274(D0) 申请公布日期 1981.08.01
申请号 ES19740004942 申请日期 1980.08.14
申请人 CIBA GEIGY AG 发明人
分类号 A61J3/10;A61K9/20;A61K9/22;(IPC1-7):61K9/24 主分类号 A61J3/10
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